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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.util.Vector;
public class Main {
static char [][] holder;
static class ArrayMemEater {
static boolean sawOome;
static void blowup(char[][] holder) {
try {
for (int i = 0; i < holder.length; ++i) {
holder[i] = new char[1024 * 1024];
}
} catch (OutOfMemoryError oome) {
ArrayMemEater.sawOome = true;
}
}
}
static class InstanceFinalizerMemEater {
public void finalize() {}
}
static boolean triggerArrayOOM(char[][] holder) {
ArrayMemEater.blowup(holder);
return ArrayMemEater.sawOome;
}
static boolean triggerInstanceFinalizerOOM() {
boolean sawOome = false;
try {
Vector v = new Vector();
while (true) {
v.add(new InstanceFinalizerMemEater());
}
} catch (OutOfMemoryError e) {
sawOome = true;
}
return sawOome;
}
public static void main(String[] args) {
// Keep holder alive to make instance OOM happen faster.
holder = new char[128 * 1024][];
if (!triggerArrayOOM(holder)) {
System.out.println("NEW_ARRAY did not throw OOME");
}
if (!triggerInstanceFinalizerOOM()) {
System.out.println("NEW_INSTANCE (finalize) did not throw OOME");
}
System.runFinalization();
}
}
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